The investigators plan to study the association between physical activity, malnutrition and sarcopenia and the occurrence of acute exacerbations of COPD / the evolution of the COPD assessment test (CAT) over 1 year in a telehealthcare cohort of patients with COPD. The investigators hypothesize that malnutrition and/or sarcopenia at baseline and a decline in the fat-free mass index over time is associated with an increased rate of acute exacerbations of COPD and an increased CAT score meaning a higher risk for mortality, morbidity and impairment of quality of life.
Study Type
OBSERVATIONAL
Enrollment
42
Lung Center, Cantonal Hospital St. Gallen
Sankt Gallen, Canton of St. Gallen, Switzerland
Rate of acute exacerbations of COPD
The primary outcome measure is the rate of acute exacerbations of COPD.
Time frame: 12 months
Physical activity
The rate of acute exacerbations of COPD will be correlated to the degree of physical activity measured using an activity tracker in everyday life. The following parameters will be recorded: * step count * distance travelled * calories burned
Time frame: 12 months
Fat-free mass index
The rate of acute exacerbations of COPD will be correlated to the fat-free mass index (FFMI) measured at baseline and after 6 and 12 months using bioelectrical impedance analysis (BIA).
Time frame: 12 months
Hand grip strenght
The rate of acute exacerbations of COPD will be correlated to the hand grip strength (HGS) measured at baseline and after 6 and 12 months using a dynamometer.
Time frame: 12 months
C-reactive protein
The rate of acute exacerbations of COPD will be correlated to the level of serum C-reactive protein (CRP) measured at baseline and after 6 and 12 months.
Time frame: 12 months
Total protein
The rate of acute exacerbations of COPD will be correlated to the level of total serum protein measured at baseline and after 6 and 12 months.
Time frame: 12 months
Albumin
The rate of acute exacerbations of COPD will be correlated to the level of serum albumin measured at baseline and after 6 and 12 months.
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Time frame: 12 months
25-OH vitamin D3
The rate of acute exacerbations of COPD will be correlated to the level of serum 25-OH vitamin D3 measured at baseline and after 6 and 12 months.
Time frame: 12 months
COPD assessment test
The rate of acute exacerbations of COPD will be correlated to the COPD assessment test (CAT) score which interrogated on a weekly basis.
Time frame: 12 months